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rea

Active·★ 365.5k·MIT·Updated 2026-10-22

REA (Reverse Engineer Anything) is a CLI and MCP server that gives agents one consistent way to investigate software. The pitch: see a feature in an app, hand the app to your agent even without its source, and have the agent investigate how the feature works, show the evidence, and build a version adapted to your stack. The README is explicit that it does not claim to recover original source code or to clone an application automatically.

The investigation model is decompile, understand and recreate. Today it relies on deep native analysis through Hopper, complete function dossiers, reproducible Evidence v2 records and controlled process capture, exposed as 68 tools. Install with `npm install --global rea-agents && rea setup`, or run `npx -y rea-agents setup`. Setup detects Claude Code, Claude Desktop, Codex, Cursor, Gemini CLI, Windsurf and Devin, prints every proposed change and asks before applying it, and writes registrations additively with backups. It needs macOS 12+ or Ubuntu 24.04+, Fedora 41+ or 64-bit Arch, plus Node.js 22.19+ or 24.11+.

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Guides

This write-up is based on the project's README and public repository data. We have not hand-tested the tool. Data as of 2026-10-17.

License
MIT
Latest release
rea-agents-6.5.0 · 2026-10-14
Last commit
2026-10-17
Contributors
259
Forks
77,385
Open issues and PRs
1,214
First published
2026-04-14
npm package
rea-agents 6.5.0 · 231,579 downloads last week

Source: GitHub, npm and PyPI public APIs.

#Reverse Engineering#Agent Tooling#Binary Analysis#Decompilation#CLI#macOS#Software Investigation#Code Reconstruction
$ Install
$ npm install --global rea-agents && rea setup
↗ Visit site★ GitHub
01

Features

01Agent-driven software investigation for deep understanding.
02Integrated CLI and MCP server for flexible execution.
03Automated management of complex reverse-engineering tools.
04Facilitates local, private binary analysis primarily on macOS.
05Enables reconstruction of features from insight to new code.
02

Why choose it

+Gives agents 68 tools and a repeatable investigation workflow for understanding apps down to the binary level.
+Records reproducible Evidence v2 results, so conclusions come with the evidence behind them.
+Setup is transparent: it shows every change, asks first, writes additively with backups and can be rerun safely.
+Works with seven clients including Claude Code, Codex, Cursor and Gemini CLI, and is MIT licensed.
03

Trade-offs

!Deep analysis currently depends on Hopper, a separate commercial desktop app with its own licence and one-time activation, and it needs a graphical display.
!Supported hosts are limited to macOS 12+ and a few Linux distributions (Ubuntu 24.04+, Fedora 41+, 64-bit Arch).
!Reverse engineering software can raise legal and licensing questions, so use it only on software you are allowed to analyse.
04

Maintenance check

ActiveChecked: 2026-10-19
Last commit
2026-10-19
Commits, last 90 days
100+
Releases, last 90 days
22
Latest release
rea-agents-6.7.0 (2026-10-18)
Open issues
1257
Recent issues with at least one comment
12/20
Commits per week, last 12 weeks
Commits per week, last 12 weeks: 3, 11, 0, 1, 0, 1, 0, 0, 101, 1064, 1534, 481

Oldest week on the left; the latest four weeks are orange. Source: GitHub commit activity.

Status rule: archived on GitHub = Archived; last commit within 90 days = Active; 91 to 365 days = Slowing; older = Stale. All figures come from the GitHub API on the date shown.

05

Compatibility

macOS
Operating System
Verified via docs
Linux
Operating System
Verified via docs
Node.js
Runtime
Verified via docs
npm
Package Manager
Verified via docs
Hopper Disassembler
Disassembler
Verified via docs
AI Agents
Integration
Verified via docs
06

Quick start

1
$ npm install --global rea-agents
2
$ rea setup
07

Use cases

↳Understand and replicate app features without source code.
↳Reconstruct an app's internal flows such as authentication, storage, or networking.
↳Document undocumented formats or interfaces by recovering their structure.
↳Trace suspicious behavior within an application from strings or symbols to code.
↳Compare implementation paths across different app versions.
08

Alternatives

⚡Top VS:
VSGhidraMCP★11.5k→VSopen-reverselab★1.3k→VSida-pro-mcp★15→VS

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07
Use cases
08Alternatives
morluto /
rea
↗

CLI and MCP server that lets agents reverse engineer apps with Hopper

365.5k77kMIT
Last commit1d ago
StatusActive
CategorySecurity & Safety
Contributors259
Latest releaserea-agents-6.5.0
Links
Documentation↗Discussion↗Issues↗Releases↗
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